feat: makeUnique

README.md

@@ -80,6 +80,21 @@ await uniqueSpaceSlug([], {
 // Returns: a slug that you have verified is unique
 ```
 
+## 🦄 Making a slug unique
+
+```ts
+await uniqueSpaceSlug(['jabba'], {
+  isUnique: async (slug) => {
+    // a db lookup to see if slug is unique
+    return false;
+  },
+  makeUnique: async (slug) => {
+    // somehow make the slug unique
+    return slug + '-hutt';
+  }
+});
+```
+
 ## ✨ Transforming a slug
 
 ```tsx

src/index.ts

@@ -60,6 +60,7 @@ export type SpaceSlugInput = SpaceSlugFn | SpaceSlugFnOutput;
 
 export type UniqueSpaceSlugOptions = {
   isUnique?: (slug: string) => Promise<boolean>;
+  makeUnique?: (slug: string) => Promise<string>;
   maxAttempts?: number;
   usedSlugs?: string[];
 };
@@ -161,6 +162,11 @@ const _uniqueSpaceSlug = async (
     const isUnique = await options.isUnique(slug);
 
     if (!isUnique) {
+      if (options.makeUnique) {
+        const uniqueSlug = await options.makeUnique(slug);
+        return _uniqueSpaceSlug([uniqueSlug], options, attempts + 1);
+      }
+
       return _uniqueSpaceSlug(spaceSlugFn, options, attempts + 1);
     }
   }

tests/spaceSlug.test.ts

@@ -74,7 +74,6 @@ describe('digits', () => {
 describe('spaceSlug', () => {
   it('works by default', () => {
     const slug = spaceSlug();
-    console.log(slug);
     const parts = slug.split('-');
     expect(parts).toHaveLength(3);
   });